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M3538a Lithium Ion Battery; Battery Capacity; Battery Life; Operating Modes - Philips HeartStart MRxM3536A Instructions For Use Manual

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2 Getting Acquainted

M3538A Lithium Ion Battery

The HeartStart MRx uses the M3538A Lithium Ion Battery. The battery has a fuel gauge with 5 LED
indicators, each representing a charge of at least 20% of capacity. Press the fuel gauge button to
illuminate the fuel gauge.
CAUTION A battery should be used as the primary power source. AC/DC should be used as a secondary source, if
desired. If an AC/DC power module is used as the only power source, the HeartStart MRx takes longer
to charge to the desired energy level and, in the event of power loss, all settings reset to the default
settings and a new incident is created when power is returned. All stored data remains intact and can be
found by retrieving the previous incident. Keep your unit charged.

Battery Capacity

A new, fully-charged M3538A battery, operating at room temperature 25
hours of monitoring, with ECG, SpO
continuously, NBP measured every 15 minutes, and 20 200J discharges. A fully charged new battery
provides approximately 3.5 hours of monitoring, with ECG, SpO
pressures monitored continuously, NBP measured every 15 minutes, and pacing at 180ppm at 160mA.

Battery Life

Battery life depends on the frequency and duration of use. When properly cared for, the M3538A
Lithium Ion battery has a useful life of approximately 2 years. To optimize performance, a fully (or
nearly fully) discharged battery should be charged as soon as possible.

Operating Modes

The HeartStart MRx has four clinical modes of operation, each with a customized display view. The
modes are as follows:
Table 1 Operating Modes and Views
Mode of Operation
Display View
Monitor Mode
Monitoring View, or
12-Lead View
AED Mode
AED View
Manual Defib Mode
Code View
Pacer Mode
Pacing View
Upon returning to a clinical mode from a non-clinical mode such as Configuration or Data
Management, all settings reset to the default settings.
, CO
, temperature, two invasive pressures monitored
Used to monitor ECG, take an optional 12-lead ECG, and monitor
optional parameters such as SpO
Temperature and for viewing Vital Signs Trending data.
Used to analyze ECG and if necessary, perform semi-automatic external
defibrillation. Q-CPR available.
Used to perform asynchronous and synchronous defibrillation
(cardioversion). Q-CPR available.
Used to perform demand or fixed mode pacing.
M3538A Lithium Ion Battery
C (77
F), provides at least 5
, CO
, temperature, two invasive
, EtCO
, NBP, Invasive Pressures,


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